The total area of rectangle
i) The first rectangle is divided into 6 equal parts. So the area of each part will be one-sixth of the total area
ii) The rectangle is divided into 4 equal parts, area of each part= one-forth area of rectangle= 6 cm2
iii) and (iv) are divided into two equal parts. Area of each part will be one half the total area of rectangle= 12 cm2
v) Area of rectangle is...

A square of side 1m has perimeter 4 m and area 1 m2. When all sides are increased by 1m then perimeter =8m and area= 4 m2. Similarly if we increase the length from 6m to 9m and breadth from 3m to 6m of a rectangular the perimeter and area will increase